html, body { margin: 0; padding: 0; height: 100%;}
h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, cite, code, del, dfn, em, img, q,
s, samp, small, strike, strong, sub, sup, tt, var, dd, dl, dt, li, ol, ul, fieldset, form,
label, legend, button, table, caption, tbody, tfoot, thead, tr, th, td {
 margin: 0; padding: 0; border: 0; font-weight: normal;
 font-style: normal; font-size: 100%; line-height: 1; font-family: inherit;
}
table { border-collapse: collapse; border-spacing: 0; }
ol, ul { list-style: none; }
q:before, q:after, blockquote:before, blockquote:after { content: ""; }
html {
    overflow-y: scroll;
    font-size: 100%;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}
// Focus states
a:focus {
    outline: thin dotted;
}
// Hover & Active
a:hover,
a:active {
    outline: none 0;
}
//change tree checkbox style
.ivu-checkbox-indeterminate .ivu-checkbox-inner:after {
    width: 6px;
    top: 4px;
}